The following data show the brand, price, and the overall scorefor six stereo headphones that were tested by consumer reports. Theoverall score is based on sound quality and effectiveness ofambient noise reduction. Scores range from 0 to 100.
Price Score
Bose 180 76
Skullcandy 150 71
Koss 85 61
Phillips/O'Neill 70 56
Denon 70 40
JVC 35 26
a). Test for a significant relationship using the F test. Whatis your conclusion? Use α= 0.05
b). Develop a point estimate of the score for a headphone with aprice of 100.
c). Develop a 95% confidence interval for the mean score for allheadphones with a price of 100.
